/**
 * (C) Copyright IBM Corp. 2010, 2015
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package com.ibm.bi.dml.hops.globalopt.gdfresolve;

import com.ibm.bi.dml.hops.globalopt.gdfresolve.GDFMismatchHeuristic.MismatchHeuristicType;
import com.ibm.bi.dml.runtime.DMLRuntimeException;

public abstract class MismatchHeuristicFactory 
{

	/**
	 * 
	 * @param type
	 * @return
	 * @throws DMLRuntimeException
	 */
	public static GDFMismatchHeuristic createMismatchHeuristic( MismatchHeuristicType type ) 
		throws DMLRuntimeException
	{
		switch( type ) {
			case FIRST: 
				return new GDFMismatchHeuristicFirst(); 
			case BLOCKSIZE_OR_FIRST: 
				return new GDFMismatchHeuristicBlocksizeOrFirst();
				
			default:
				throw new DMLRuntimeException("Unsupported mismatch heuristic: "+type);
		}	
	}
}
